Display screen or portion thereof with transitional image sequence



FIG. 1 is a front view of a first image in the sequence for a display screen or portion thereof with transitional image sequence;

FIG. 2 is a front view of a second image thereof;

FIG. 3 is a front view of a third image thereof;

FIG. 4 is a front view of a fourth image thereof;

FIG. 5 is a front view of a fifth image thereof;

FIG. 6 is a front view of a sixth image thereof;

FIG. 7 is a front view of a seventh image thereof;

FIG. 8 is a front view of an eighth image thereof;

FIG. 9 is a front view of a ninth image thereof;

FIG. 10 is a front view of a tenth image thereof;

FIG. 11 is a front view of a eleventh image thereof;

FIG. 12 is a front view of a twelfth image thereof; and,

FIG. 13 is a front view of a thirteenth image thereof.

The subject matter in this application includes a process or period in which an image changes into another image. This process or period forms no part of the claimed design.

The broken lines shown in FIGS. 1-13 showing a display screen or a portion thereof are included for the purpose of illustrating environmental structure and these broken lines form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with transitional image sequence, as shown and described. 